21232120230003 has 8 divisors (see below), whose sum is σ = 28309557767616. Its totient is φ = 14154714756200.

The previous prime is 21232120229911. The next prime is 21232120230007. The reversal of 21232120230003 is 30003202123212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21232120230003 - 2²⁵ = 21232086675571 is a prime.

It is a super-2 number, since 2×21232120230003² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21232120230007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6425793 + ... + 9151778.

It is an arithmetic number, because the mean of its divisors is an integer number (3538694720952).

Almost surely, 2^{21232120230003} is an apocalyptic number.

21232120230003 is a deficient number, since it is larger than the sum of its proper divisors (7077437537613).

21232120230003 is a wasteful number, since it uses less digits than its factorization.

21232120230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031905.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21232120230003 its reverse (30003202123212), we get a palindrome (51235322353215).

The spelling of 21232120230003 in words is "twenty-one trillion, two hundred thirty-two billion, one hundred twenty million, two hundred thirty thousand, three".